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https://issues.apache.org/jira/browse/MNG-6656?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17314582#comment-17314582
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Hudson commented on MNG-6656:
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Build succeeded in Jenkins: Maven » Maven TLP » maven » master #138
See
https://ci-builds.apache.org/job/Maven/job/maven-box/job/maven/job/master/138/
> Introduce base for build/consumer process
> -----------------------------------------
>
> Key: MNG-6656
> URL: https://issues.apache.org/jira/browse/MNG-6656
> Project: Maven
> Issue Type: New Feature
> Components: POM
> Reporter: Robert Scholte
> Assignee: Robert Scholte
> Priority: Major
> Fix For: 4.0.0, 4.0.0-alpha-1
>
> Attachments: MNG-6656.zip
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> The pom.xml as we know it has reached it limits, but it is quite hard to do
> improvements as long as the local pom (as part of the sources) is exactly the
> same as the file being published.
> For the Maven eco system it is important that the published file will still
> be a model 4.0.0 to ensure other projects can still depend on these artifacts.
> This will be a first step to separate the local pom from the remote pom. The
> process to come to the effective pom will change a little bit
> pre-build
> pom.xml (raw model) -> BuildPomXMLFilter -> inheritence -> effective pom/model
> This means that we can enrich the pom to make it a valid effective pom again.
> In this case we can do the following:
> - resolve the [cifriendly
> placeholders|https://maven.apache.org/maven-ci-friendly.html], so it will
> work in multimodules too.
> - resolve parent-version. By removing the version from the parent, the filter
> will get the version based on the relativePath. If the groupId and artifactId
> don't match, the version can't be solved and Maven will fail with a missing
> version for the parent.
> - resolve reactor versions. By removing the versions from reactor
> dependencies, the filter will look up the matching version. If there's no
> version for the groupId+artifactId, the version can't be solved and Maven
> will fail with a missing version for the dependency.
> pre-distribution (install/deploy)
> pom.xml -> BuildPomXMLFilter -> ConsumerPomXMLFilter -> consumer pom
> This means that the XML used to build build the effective pom is used, and
> can be adjusted during copy/upload.
> In this case we can do the following:
> - Remove the modules -elements, since this is local path information and not
> useful after building
> - Remove the relativePath-element, since this is local path information and
> not useful after building
> This PoC has the following goals:
> - It will give us experience with manipuating files before build AND during
> install/deploy.
> - We can see IDEs and CI servers can handle this and how we can move forward.
> This feature will at first be disabled by default and can be activated with
> the System property {{maven.experimental.buildconsumer=true}}
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